Dina can run 4 miles in 30 minutes. If she maintains this pace, how many miles can she run in 90 minutes?

The highest common factor of 132 and 220

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

3x + 4y = 5 x- 3y = -7 solve by substitution